Category 1
Using batteries
eating food
a speaker
solar cell
using batteries
Which type of heat transfers through direct contact
conduction
Inclined plane
Which compound machine uses both wheels and pulleys?
CD Player
Scissors
Can opener
Elevator
elevator
What does a meteorologist study
Weather
Speakers
Using Batteries
Solar Cell
Solar Cell
Which type of heat transfer occurs by movement of the heated substance itself (Example - fluids)
convection
A wheel with a rope around it
Pulley
What are the most common gasses in the atmosphere?
Nitrogen and oxygen
Iron rusting is an example of a _____________ change
Chemical
What is the energy of motion
kinetic
what is the scientific definition of work?
Applying force to an object
An inclined plane wrapped around a cylinder.
Screw
What provides the energy to drive the water cycle?
Sun
When water becomes water vapor is an example of a ____________ change
Which is the energy of position
Potential energy
A long rigid bar that rests on pivots around a support called a fulcrum
Lever
This consists of a shaft (axle), inserted through the middle of a wheel
Wheel and axle
What is the formation of water vapor from liquid water?
Evaporation
A substance that is made of two or more different elements that are bonded together
Compound
Which type of heat transfer occurs through space
A moving inclined plane with one or more sloping sides
wedge
What are the simple machines in a shovel?
Lever and wedge
How do people reach ground water
By drilling wells
What makes up everything?
Atoms